WO2005052703A1 - Systeme d'automatisation redondant destine a la commande d'une installation technique et procede d'utilisation d'un tel systeme d'automatisation - Google Patents

Systeme d'automatisation redondant destine a la commande d'une installation technique et procede d'utilisation d'un tel systeme d'automatisation Download PDF

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Publication number
WO2005052703A1
WO2005052703A1 PCT/DE2003/003793 DE0303793W WO2005052703A1 WO 2005052703 A1 WO2005052703 A1 WO 2005052703A1 DE 0303793 W DE0303793 W DE 0303793W WO 2005052703 A1 WO2005052703 A1 WO 2005052703A1
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WO
WIPO (PCT)
Prior art keywords
automation
devices
master
automation device
data
Prior art date
Application number
PCT/DE2003/003793
Other languages
German (de)
English (en)
Inventor
Dieter Kleyer
Wolfgang Ott
Original Assignee
Siemens Aktiengesellschaft
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Priority to EP03785521A priority Critical patent/EP1685451A1/fr
Priority to JP2005510853A priority patent/JP2007511806A/ja
Priority to AU2003294628A priority patent/AU2003294628A1/en
Priority to US10/579,485 priority patent/US20070128895A1/en
Priority to DE10394366T priority patent/DE10394366D2/de
Priority to CNA2003801107059A priority patent/CN1879068A/zh
Priority to PCT/DE2003/003793 priority patent/WO2005052703A1/fr
Publication of WO2005052703A1 publication Critical patent/WO2005052703A1/fr

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Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
    • G05B19/0428—Safety, monitoring
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
    • G05B19/058—Safety, monitoring
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/10—Plc systems
    • G05B2219/12—Plc mp multi processor system
    • G05B2219/1213—All plc send their input to a common image memory, output directly send out
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/10—Plc systems
    • G05B2219/14—Plc safety
    • G05B2219/14131—Workby plc, all plc function in parallel, synchronous data exchange
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/20—Pc systems
    • G05B2219/24—Pc safety
    • G05B2219/24186—Redundant processors are synchronised
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/20—Pc systems
    • G05B2219/24—Pc safety
    • G05B2219/24187—Redundant processors run identical programs
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/20—Pc systems
    • G05B2219/24—Pc safety
    • G05B2219/24189—Redundant processors monitor same point, common parameters
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/20—Pc systems
    • G05B2219/24—Pc safety
    • G05B2219/24197—Dual analog output ports, second takes over if first fails
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/20—Pc systems
    • G05B2219/25—Pc structure of the system
    • G05B2219/25428—Field device

Definitions

  • Redundant automation system for the control of a technical device as well as method for the operation of such an automation system
  • the invention relates to a redundant automation system for controlling a technical device and a method for operating such an automation system, at least two automation devices being present. A first of these automation devices is operated as a master automation device and a second of the automation devices as a stand-by automation device.
  • so-called high-availability automation systems for example SIMATIC S-7 H from Siemens, are known in the prior art, in which practically all components, including the storage and power supply units, are redundant, so that in the event of an error, a Automation device can be switched to another, identically constructed automation device without interruption.
  • the automation devices are synchronized with one another with regard to their command execution, so that in both automation devices the same data are processed completely in parallel and the same commands are executed. So it is possible that a stand-by automation device operated in this way takes over the function of a faulty master automation device.
  • PLCs programmable logic controllers
  • the invention is therefore based on the object of specifying an automation system of the type mentioned at the outset, which is of simpler construction and in which, in particular, standard components from personal computer technology can be used to the greatest possible extent.
  • the invention is based on the idea that one of the most important preconditions for the realization of a redundant automation system to provide a current data base that describes the state of 'technical equipment and the automation system, can be seen. Switching from the master automation device to the standby automation device without noticeable delay can only be achieved if both automation devices have the same current data available at the time an error occurs, so that switching to the reserve device immediately and without "Data jumps" is possible.
  • both automation devices are constructed identically and, among other things, each include a memory unit, into which, due to the instruction-synchronous processing already described, the same data is written and the same data is read out.
  • the present invention provides that although two automation devices are present, only one common storage unit is provided for them, to which both automation devices have write and read access.
  • the implementation effort is considerably reduced in relation to the prior art, since on the one hand only one storage unit is necessary and on the other hand consequently the required synchronization effort between several storage units of the automation devices is eliminated.
  • a bumpless switchover means that the switchover from the master to the reserve automation device (stand-by automation device) takes place practically without any effect on the input and output signals of the automation system, so that in particular controls are continued at exactly the point where at which the faulty automation device canceled the control.
  • the reserve automation system must therefore have so-called initial values at the time the control is taken over stand, which relate to the past of the control process (this includes in particular control algorithms that have an integral and / or differential component).
  • the present invention solves the problem of a current database for the automation devices in that only one common storage unit is provided for this.
  • a solution for realizing such a memory unit in PC technology in an automation system according to the invention includes, for example, the use of so-called “reflective memories", which are available as commercially available PC modules.
  • the reflective memory module is located, for example, in the address space of the shared memory of the computers involved in a network. Then data can be written directly into this memory area from any automation level, in particular also from user software, and read out from this memory area. Data that the local computer writes in this "reflective memory” is then automatically available to all other computers in parallel and without a time delay.
  • a monitoring module is also provided, by means of which the Operation of the master automation system can be monitored and, in the event of an error in the master automation device, switching to the stand-by automation device is possible, which then takes over the function of the previous master automation device.
  • the device function is monitored, including error detection.
  • the monitoring module includes the evaluation of a so-called sign of life of the master automation device, e.g. A characteristic value is changed for each cycle of the check if the master automation device is functional. If this characteristic value is not changed during a cycle, this is an indication of an error in this automation device and the monitoring module carries out the switchover to the assigned stand-by automation device.
  • Possible errors which prevent a change in the mentioned characteristic value include, for example, hardware errors and / or operating system errors and / or user software errors.
  • such state data are present in the common memory area, which describe the current operating state of the technical device and the automation system immediately before the time of an error of the master automation device.
  • the status data should in particular include such data which correspond to initial values of control algorithms, so that the standby automation device also knows the history of the relevant control processes by means of these initial values and the relevant controls are continuously carried out by the standby automation device can.
  • the status data include such input and output data of the technical device, which are recorded by the automation system and / or sent to the technical device. All of this data is referred to as a process image.
  • the switchover is particularly advantageously effected in a bum-free manner, in that at least some of the data present in the common memory area is immediately processed further by the stand-by automation device as a current status image of the technical device and the automation system.
  • switching between the master automation device and the stand-by automation device takes place practically without delay while the control of the technical device is continuously continued by the stand-by automation device.
  • the invention further leads to a method for operating a redundant automation system for controlling a technical device with the features of independent claim 5.
  • FIG shows a redundant automation system according to the invention.
  • the figure shows a redundant automation system 1 according to the invention, which comprises automation devices 3a, 3b.
  • a first automation device is designed as a master automation device 3a, which takes over the control of a technical device.
  • the signals from the technical device and the control commands to the technical device are processed by field devices 17 and transmitted to the automation devices 3a, 3b via a fieldbus 15.
  • a second automation device is available, which is designed as a stand-by automation device 3b and can take over the control tasks of the first automation device 3a.
  • a monitoring module 23 is provided for error detection and switching from the first automation device 3a to the second automation device 3b. Among other things, this evaluates a life sign 25 of the first automation device 3a and in the event of an error switches over to the second automation device 3b, which then takes over the control tasks of the previous master automation device 3a.
  • the automation devices 3a, 3b each have a CPU
  • this writing process 21 is carried out by the second automation device 3b; this is indicated in the figure by a dashed connection from the second automation device 3b to the fieldbus 15.
  • a memory unit 9 is assigned to both automation devices 3a, 3b, to which both automation devices 3a, 3b have access.
  • Status data of the automation devices 3a, 3b are essentially stored in this storage unit, the storage unit 9 comprising at least one memory area which can be written and read by both automation devices 3a, 3b. In this way, at least the data present in this memory area are made available to the automation devices 3a, 3b in parallel. Since the two automation devices 3a, 3b thus use a common database in the form of the memory unit 9 add, to which they each have access, in the event of an error in the master automation device 3a, there is no memory comparison between the automation devices 3a and 3b, at least as far as the comparison of the above-mentioned status data is concerned.
  • Status data of the automation devices 3a, 3b include all data that describe a current operating status of the automation devices 3a, 3b, such as, for example, the current values of the signals transmitted from the technical device to the automation devices (process image), the current values of the master automation device the technical device transmitted signals and commands and, if necessary, current initial values of control algorithms, which include at least one differentiating and / or integrating control element.
  • Knowing the current initial value is important at the time an error occurs in the master automation device, so that the previous stand-by automation device can continue to apply the relevant controls continuously, in particular without a change in a controlled variable.
  • the memory unit 9 is preferably designed as a so-called “reflective memory” module, which is available as a module for use with personal computers. Physically, this module is preferably installed in one of the automation devices 3a, 3b, the data that this automation device contains in the Module writes, then it is also available to all other automation devices.
  • this module is preferably installed in one of the automation devices 3a, 3b, the data that this automation device contains in the Module writes, then it is also available to all other automation devices.
  • the present invention can be described as follows:
  • a redundant automation system (1) In a redundant automation system (1) according to the invention and a method for operating such an automation system (1), two automation devices (3a, 3b) are provided, to which a common memory unit is assigned, to which status data the automation devices (3a, 3b) can be stored ,
  • the automation devices (3a, 3b) thus have direct access to a common database and there is no need for a memory comparison in the event of an error when switching to the standby automation device (3b).

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Hardware Redundancy (AREA)
  • Safety Devices In Control Systems (AREA)

Abstract

L'invention concerne un système d'automatisation redondant (1) et un procédé d'utilisation d'un tel système d'automatisation (1). Selon l'invention, ledit système d'automatisation comporte deux appareils d'automatisation (3a, 3b) auxquels est affectée une unité de mémoire commune capable d'enregistrer des données d'état des appareils d'automatisation (3a, 3b). Ainsi, les appareils d'automatisation (3a, 3b) disposent d'un accès direct à une base de données commune et on élimine l'égalisation de mémoires en cas d'erreur lors de la commutation sur l'appareil d'automatisation de veille (3b).
PCT/DE2003/003793 2003-11-17 2003-11-17 Systeme d'automatisation redondant destine a la commande d'une installation technique et procede d'utilisation d'un tel systeme d'automatisation WO2005052703A1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
EP03785521A EP1685451A1 (fr) 2003-11-17 2003-11-17 Systeme d'automatisation redondant destine a la commande d'une installation technique et procede d'utilisation d'un tel systeme d'automatisation
JP2005510853A JP2007511806A (ja) 2003-11-17 2003-11-17 技術的装置を制御するための冗長性自動化システム及びその作動方法
AU2003294628A AU2003294628A1 (en) 2003-11-17 2003-11-17 Redundant automation system for controlling a technical device, and method for operating one such automation system
US10/579,485 US20070128895A1 (en) 2003-11-17 2003-11-17 Redundant automation system for controlling a techinical device, and method for operating such an automation system
DE10394366T DE10394366D2 (de) 2003-11-17 2003-11-17 Redundantes Automatisierungssystem zur Steuerung einer technischen Einrichtung sowie Verfahren zum Betrieb eines derartigen Automatisierungssystems
CNA2003801107059A CN1879068A (zh) 2003-11-17 2003-11-17 控制工艺设备的冗余自动化系统及运行该自动化系统的方法
PCT/DE2003/003793 WO2005052703A1 (fr) 2003-11-17 2003-11-17 Systeme d'automatisation redondant destine a la commande d'une installation technique et procede d'utilisation d'un tel systeme d'automatisation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/DE2003/003793 WO2005052703A1 (fr) 2003-11-17 2003-11-17 Systeme d'automatisation redondant destine a la commande d'une installation technique et procede d'utilisation d'un tel systeme d'automatisation

Publications (1)

Publication Number Publication Date
WO2005052703A1 true WO2005052703A1 (fr) 2005-06-09

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PCT/DE2003/003793 WO2005052703A1 (fr) 2003-11-17 2003-11-17 Systeme d'automatisation redondant destine a la commande d'une installation technique et procede d'utilisation d'un tel systeme d'automatisation

Country Status (7)

Country Link
US (1) US20070128895A1 (fr)
EP (1) EP1685451A1 (fr)
JP (1) JP2007511806A (fr)
CN (1) CN1879068A (fr)
AU (1) AU2003294628A1 (fr)
DE (1) DE10394366D2 (fr)
WO (1) WO2005052703A1 (fr)

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AT12998U1 (de) * 2012-01-12 2013-03-15 Bachmann Gmbh Redundantes steuerungssystem sowie steuerrechner und peripherieeinheit
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CN112073162A (zh) * 2019-06-11 2020-12-11 西门子股份公司 用于运行冗余的自动化系统的方法

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EP3026513B1 (fr) * 2014-11-28 2018-01-03 Siemens Aktiengesellschaft Système d'automatisation redondant et procédé de fonctionnement
EP3051373B1 (fr) * 2015-02-02 2019-05-08 Siemens Aktiengesellschaft Changement d'un composant d'installation défectueux dans une installation d'automatisation
CN105207874A (zh) * 2015-09-02 2015-12-30 中国联合网络通信集团有限公司 一种l2tp网络保护的方法及网络系统
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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006047026A1 (de) * 2006-10-02 2008-04-03 Phoenix Contact Gmbh & Co. Kg Verfahren und System zum redundanten Ansteuern einer Slaveeinrichtung
DE102006047026B4 (de) * 2006-10-02 2011-02-24 Phoenix Contact Gmbh & Co. Kg Verfahren und System zum redundanten Ansteuern einer Slaveeinrichtung
EP2034411A1 (fr) * 2007-09-06 2009-03-11 Siemens Aktiengesellschaft Procédé destiné l'échange d'un appareil électrique doté de données de paramétrage par un appareil de rechange
EP2133764A1 (fr) * 2008-06-09 2009-12-16 Siemens Aktiengesellschaft Système d'automatisation à sécurité intrinsèque et procédé
CN101969288A (zh) * 2009-07-27 2011-02-09 帕克-汉尼芬公司 双电机致动器
CN101969288B (zh) * 2009-07-27 2015-07-15 帕克-汉尼芬公司 双电机致动器
AT12998U1 (de) * 2012-01-12 2013-03-15 Bachmann Gmbh Redundantes steuerungssystem sowie steuerrechner und peripherieeinheit
DE102013201831A1 (de) * 2013-02-05 2014-08-07 Siemens Aktiengesellschaft Verfahren und Vorrichtung zum Analysieren von Ereignissen in einem System
CN106054752A (zh) * 2016-08-15 2016-10-26 南京亚派科技股份有限公司 基于fpga的有源电力滤波器控制系统及其切换方法
CN106054752B (zh) * 2016-08-15 2018-08-31 南京亚派科技股份有限公司 基于fpga的有源电力滤波器控制系统及其切换方法
CN112073162A (zh) * 2019-06-11 2020-12-11 西门子股份公司 用于运行冗余的自动化系统的方法
EP3751363A1 (fr) * 2019-06-11 2020-12-16 Siemens Aktiengesellschaft Procédé de fonctionnement d'un système d'automatisation redondant

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US20070128895A1 (en) 2007-06-07
EP1685451A1 (fr) 2006-08-02
CN1879068A (zh) 2006-12-13
JP2007511806A (ja) 2007-05-10
DE10394366D2 (de) 2006-10-19

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